president obama has been briefed regularly throughout the day. and overnight. as the situation was developing. of course we have heard from the president, multiple times this week on monday. again on tuesday, we heard from him at that interfaith service yesterday in boston. will we hear from him again today? we don't know at this point. the white house doesn't have anything on his schedule to that effect. but he is clearly monitoring the situation quite closely concerned about the developments that are under way in boston. alex? >> thank you, kristen for the update. we certainly will be talking more about the implications here in terms of foreign policy and possibly national security and how the white house responds in the coming days. first before we do that, i want to play some sound from dzhokah tsarnaev's uncle who came and spoke to the press earlier this morning, talking about check nia, the checken identity in the united states, let's play a little of that sound. >> hatred to those who were able to settle themselves. these are the only reasons i can imagi